package com.whuan.conver;

import java.io.ByteArrayOutputStream;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import net.sf.json.JSON;
import net.sf.json.JSONSerializer;
import net.sf.json.xml.XMLSerializer;

import org.dom4j.Document;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.dom4j.io.OutputFormat;
import org.dom4j.io.XMLWriter;

public class ConvertUtil {
    /**
     * map to xml xml <node><key label="key1">value1</key><key
     * label="key2">value2</key>......</node>
     *
     * @param map
     * @return
     */
    public static String maptoXml(Map map) {
        Document document = DocumentHelper.createDocument();
        Element nodeElement = document.addElement("node");
        for (Object obj : map.keySet()) {
            Element keyElement = nodeElement.addElement("key");
            keyElement.addAttribute("label", String.valueOf(obj));
            keyElement.setText(String.valueOf(map.get(obj)));
        }
        return doc2String(document);
    }

    /**
     * list to xml xml <nodes><node><key label="key1">value1</key><key
     * label="key2">value2</key>......</node><node><key
     * label="key1">value1</key><key
     * label="key2">value2</key>......</node></nodes>
     *
     * @param list
     * @return
     */
    public static String listtoXml(List list) throws Exception {
        Document document = DocumentHelper.createDocument();
        Element nodesElement = document.addElement("nodes");
        int i = 0;
        for (Object o : list) {
            Element nodeElement = nodesElement.addElement("node");
            if (o instanceof Map) {
                for (Object obj : ((Map) o).keySet()) {
                    Element keyElement = nodeElement.addElement("key");
                    keyElement.addAttribute("label", String.valueOf(obj));
                    keyElement.setText(String.valueOf(((Map) o).get(obj)));
                }
            } else {
                Element keyElement = nodeElement.addElement("key");
                keyElement.addAttribute("label", String.valueOf(i));
                keyElement.setText(String.valueOf(o));
            }
            i++;
        }
        return doc2String(document);
    }

    /**
     * json to xml {"node":{"key":{"@label":"key1","#text":"value1"}}} conver
     * <o><node class="object"><key class="object"
     * label="key1">value1</key></node></o>
     *
     * @param json
     * @return
     */
    public static String jsontoXml(String json) {
        try {
            XMLSerializer serializer = new XMLSerializer();
            JSON jsonObject = JSONSerializer.toJSON(json);
            return serializer.write(jsonObject);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * xml to map xml <node><key label="key1">value1</key><key
     * label="key2">value2</key>......</node>
     *
     * @param xml
     * @return
     */
    public static Map xmltoMap(String xml) {
        try {
            Map map = new HashMap();
            Document document = DocumentHelper.parseText(xml);
            Element nodeElement = document.getRootElement();
            List node = nodeElement.elements();
            for (Iterator it = node.iterator(); it.hasNext(); ) {
                Element elm = (Element) it.next();
                map.put(elm.attributeValue("label"), elm.getText());
                elm = null;
            }
            node = null;
            nodeElement = null;
            document = null;
            return map;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * xml to list xml <nodes><node><key label="key1">value1</key><key
     * label="key2">value2</key>......</node><node><key
     * label="key1">value1</key><key
     * label="key2">value2</key>......</node></nodes>
     *
     * @param xml
     * @return
     */
    public static List xmltoList(String xml) {
        try {
            List<Map> list = new ArrayList<Map>();
            Document document = DocumentHelper.parseText(xml);
            Element nodesElement = document.getRootElement();
            List nodes = nodesElement.elements();
            for (Iterator its = nodes.iterator(); its.hasNext(); ) {
                Element nodeElement = (Element) its.next();
                Map map = xmltoMap(nodeElement.asXML());
                list.add(map);
                map = null;
            }
            nodes = null;
            nodesElement = null;
            document = null;
            return list;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * xml to json <node><key label="key1">value1</key></node> 转化为
     * {"key":{"@label":"key1","#text":"value1"}}
     *
     * @param xml
     * @return
     */
    public static String xmltoJson(String xml) {
        XMLSerializer xmlSerializer = new XMLSerializer();
        return xmlSerializer.read(xml).toString();
    }

    /**
     * @param document
     * @return
     */
    public static String doc2String(Document document) {
        String s = "";
        try {
            // 使用输出流来进行转化
            ByteArrayOutputStream out = new ByteArrayOutputStream();
            // 使用UTF-8编码
            OutputFormat format = new OutputFormat("   ", true, "UTF-8");
            XMLWriter writer = new XMLWriter(out, format);
            writer.write(document);
            s = out.toString("UTF-8");
        } catch (Exception ex) {
            ex.printStackTrace();
        }
        return s;
    }

    public static Map<String, Object> parseJSON2Map(String jsonStr){
        Map<String, Object> map = new HashMap<String, Object>();
        JSONObject json = JSONObject.parseObject(jsonStr);

        for(Object k : json.keySet()){
            Object v = json.get(k);
            if(v instanceof Map){
                map.put(k.toString(),parseJSON2Map(v.toString()));

            } else {
                map.put(k.toString(), v);
            }
        }
        return map;
    }

    public static String byte2String(byte[] bs) {
        String json = new String(bs);

        return json;
    }


    public static void main(String[] args) {
//        String jsonStr = "{\"bizPackage\":{\"custNum\":\"custnm001\",\"appName\":\"appnam001\",\"timeStamp\":\"20190101\",\"liveDetectCtrlVer\":\"001\",\"authMode\":\"194\"},\"sign\":\"eyJjdXN0TnVtIjoiY3VzdG5tMDAxIiwiYXBwTmFtZSI6ImFwcG5hbTAwMSIsInRpbWVTdGFtcCI6IjIwMTkwMTAxIiwibGl2ZURldGVjdEN0cmxWZXIiOiIwMDEiLCJhdXRoTW9kZSI6IjE5NCJ9\"}";
//        Map<String, Object> map = parseJSON2Map(jsonStr);
//        System.out.println(map);
        String aa = "aa";
        byte2String(aa.getBytes());

    }
}
